package com.lllll.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.lllll.reggie.common.R;
import com.lllll.reggie.entity.Category;
import com.lllll.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;


@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

   @Autowired
   private CategoryService categoryService;

   /**
    * 新增分类
    * @param category
    * @return
    */
   @PostMapping
   public R<String> save(@RequestBody Category category) {
      log.info("category:{}", category);
      categoryService.save(category);
      return R.success("新增分类成功");
   }

   /**
    * 分类分页查询
    * @param page
    * @param pageSize
    * @return
    */
   @GetMapping("/page")
   public R<Page> page(int page, int pageSize) {
      // 分页构造器
      Page<Category> pageInfo = new Page<>(page, pageSize);
      // 构造条件构造器为了根据排序
      LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
      // 添加排序条件，根据sort进行排序
      queryWrapper.orderByAsc(Category::getSort);

      // 分页查询
      categoryService.page(pageInfo, queryWrapper);
      return R.success(pageInfo);
   }

   /**
    * 根据id删除分类
    * @param ids
    * @return
    */
   @DeleteMapping
   public R<String> delete(Long ids) {
      log.info("删除分类，id为：{}", ids);
      categoryService.remove(ids);

      return R.success("分类信息删除成功");

   }

   /**
    * 根据id修改分类信息
    * @param category
    * @return
    */
   @PutMapping
   public R<String> update(@RequestBody Category category) {
      log.info("修改分类信息：{}" , category);
      categoryService.updateById(category);
      return R.success("修改分类信息成功");
   }

   /**
    * 根据条件查询分类数据
    * @param category
    * @return
    */
   @GetMapping("/list")
   public R<List<Category>> list(Category category) {
      // 条件构造器
      LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
      // 添加条件
      queryWrapper.eq(category.getType() != null, Category::getType,category.getType());

      // 添加排序条件
      queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

      List<Category> list = categoryService.list(queryWrapper);
      return R.success(list);
   }
}
